CP114 Lecture Notes - Lecture 1: Data Structure, Selection Sort, The Queue
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4n2 + 8n - 3 f (n)e )(n2) f (n) = 4n2 + 8n - 3 lim x- > f (n) g(n) + 8n lim n2 x- > x- > 4 + 8n lim n2. =1 n0 f (n)e )(n2) f (n) = 4n2 + 8n - 3 n no. | f (n) | k | g(n) | n0 fe 0(g) (a + x a. Then grow the stack by appending values to the end of the array using push. import copy def stack_init(pf): stack = {"data":[],"pf":pf} return stack def stack_push(stack, value): stack["data"]. append(copy. deepcopy(value)) return. # now we are at a char that"s not in good chars if i == n or str[i] != m: is_mirror = false else: i += 1 while i < n and is_mirror: if stack_empty(s): is_mirror = false else: d = stack_pop(s) if str[i] != d: is_mirror=false else: i += 1 if not stack_empty(s): is_mirror = false return is_mirror.
